| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cocoon.woody.binding; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.avalon.framework.CascadingRuntimeException; |
| import org.apache.cocoon.components.CocoonComponentManager; |
| import org.apache.cocoon.environment.ObjectModelHelper; |
| import org.apache.cocoon.environment.Request; |
| import org.apache.cocoon.woody.formmodel.Widget; |
| import org.apache.cocoon.woody.util.JavaScriptHelper; |
| import org.apache.commons.jxpath.JXPathContext; |
| import org.apache.commons.jxpath.Pointer; |
| import org.mozilla.javascript.Script; |
| |
| /** |
| * |
| * @author <a href="http://www.apache.org/~sylvain/">Sylvain Wallez</a> |
| * @version CVS $Id: JavaScriptJXPathBinding.java,v 1.9 2004/03/05 13:02:27 bdelacretaz Exp $ |
| */ |
| public class JavaScriptJXPathBinding extends JXPathBindingBase { |
| |
| private final String id; |
| private final String path; |
| private final Script loadScript; |
| private final Script saveScript; |
| |
| public JavaScriptJXPathBinding( |
| JXPathBindingBuilderBase.CommonAttributes commonAtts, String id, |
| String path, Script loadScript, Script saveScript) { |
| super(commonAtts); |
| this.id = id; |
| this.path = path; |
| this.loadScript = loadScript; |
| this.saveScript = saveScript; |
| } |
| |
| public void doLoad(Widget frmModel, JXPathContext jctx) { |
| if (this.loadScript != null) { |
| Widget widget = frmModel.getWidget(this.id); |
| |
| // Move to widget context |
| Pointer pointer = jctx.getPointer(this.path); |
| |
| // FIXME: remove this ugly hack and get the request from the |
| // Avalon context once binding builder are real components |
| Request request = ObjectModelHelper.getRequest(CocoonComponentManager.getCurrentEnvironment().getObjectModel()); |
| |
| try { |
| Map values = new HashMap(3); |
| values.put("widget", widget); |
| values.put("jxpathPointer", pointer); |
| if (pointer.getNode() != null) { |
| values.put("jxpathContext", jctx.getRelativeContext(pointer)); |
| } |
| |
| JavaScriptHelper.execScript(this.loadScript, values, request); |
| |
| } catch(RuntimeException re) { |
| // rethrow |
| throw re; |
| } catch(Exception e) { |
| throw new CascadingRuntimeException("Error invoking JavaScript event handler", e); |
| } |
| } else { |
| if (this.getLogger().isInfoEnabled()) { |
| this.getLogger().info("[Javascript Binding] - loadForm: No javascript code avaliable. Widget id=" + this.getId()); |
| } |
| } |
| } |
| |
| public void doSave(Widget frmModel, JXPathContext jctx) throws BindingException { |
| if (this.saveScript != null) { |
| Widget widget = frmModel.getWidget(this.id); |
| |
| // Move to widget context and create the path if needed |
| Pointer pointer = jctx.createPath(this.path); |
| JXPathContext widgetCtx = jctx.getRelativeContext(pointer); |
| try { |
| // FIXME: remove this ugly hack and get the request from the Avalon context once |
| // binding builder are real components |
| Request request = ObjectModelHelper.getRequest(CocoonComponentManager.getCurrentEnvironment().getObjectModel()); |
| |
| Map values = new HashMap(); |
| values.put("widget", widget); |
| values.put("jxpathContext", widgetCtx); |
| values.put("jxpathPointer", pointer); |
| |
| JavaScriptHelper.execScript(this.saveScript, values, request); |
| |
| } catch(RuntimeException re) { |
| // rethrow |
| throw re; |
| } catch(Exception e) { |
| throw new CascadingRuntimeException("Error invoking JavaScript event handler", e); |
| } |
| } else { |
| if (this.getLogger().isInfoEnabled()) { |
| this.getLogger().info("[Javascript Binding] - saveForm: No javascript code avaliable. <wb:javascript id=" + this.getId() + ">"); |
| } |
| } |
| } |
| } |